Repeatability of peak nasal inspiratory flow measurements and utility for assessing the severity of rhinitis
Abstract
Background The measurement of peak nasal inspiratory flow (PNIF) provides a simple, cheap, fast and readily available tool for determining the extent of nasal airway patency. However, there are questions regarding its repeatability when used to assess the degree of nasal obstruction in large populations. Therefore, this study aimed to evaluate the repeatability of PNIF measurements and to assess their association with the signs and symptoms of rhinitis. Methods The PNIF, rhinitis symptoms, judged by Meltzer questionnaire and rhinitis signs, as determined by anterior rhinoscopy, were assessed in 283 adults representative of the general population. One training and two test PNIF measurements were recorded during the same session. Results The PNIF was highly reproducible (ICC = 0.92; 95% limits of agreement: +/-36 l/min). The PNIF was strongly correlated with rhinitis signs, measured by anterior rhinoscopy (rs= -0.38, P Conclusion In a large general population-based sample of young adults, PNIF was highly reproducible and closely related to the signs of rhinitis, as determined by clinical examination. The PNIF provides information that is qualitatively different to that provided by symptom scores and may be useful to measure the extent of nasal obstruction.
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A low PNIF quotient could correspond to an increase in bronchial resistance rather than a decrease in PNIF.
“since a low quotient could correspond to an increase in bronchial resistance rather than a decrease in the PNIF.”
From Position Paper on Nasal Obstruction: Evaluation and Treatment (2018) · cites this paper as [63]
There are no absolute values of normality for PNIF.
“although there are no absolute values of normality and the patient is the best judge for evaluating changes.”
From Position Paper on Nasal Obstruction: Evaluation and Treatment (2018) · cites this paper as [63]
Cut-off values of 115-120 L/min have been suggested to distinguish normality from obstruction on PNIF.
“Cut-off values of 115-120 L/min have been suggested to distinguish normality from obstruction [31,57,63,64]”
From Position Paper on Nasal Obstruction: Evaluation and Treatment (2018) · cites this paper as [63]
PNIF is closely related to maximum expiratory flow.
“PNIF is closely related to maximum expiratory flow [58,63,66,67]”
From Position Paper on Nasal Obstruction: Evaluation and Treatment (2018) · cites this paper as [63]
The relationship of PNIF with the symptom score measured using a VAS is controversial.
“Its relationship with the symptom score measured using a VAS is controversial [31,63,68,69]”
From Position Paper on Nasal Obstruction: Evaluation and Treatment (2018) · cites this paper as [63]
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Objective measures for functional diagnostic of the upper airways: practical aspects
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- Authors
- Starling‐Schwanz, R., Peake, H. L., Salome, C. M., Toelle, B. G., Ng, K. W., Marks, G. B., Lean, M. L., & Rimmer, S. J.
- Affiliations
- The University of Sydney (AU)
- Corresponding author
- Peake, H. L.
- Ng, K. W.
- Venue
- Allergy
- Publisher
- Wiley
- Published
- 2005-05-06
- Volume
- 60
- Issue
- 6
- Pages
- 795-800
- ISSN
- 0105-4538 (ISSN-L)
- 1398-9995
- OpenAlex
- W1990313154
- Cited by
- 147
- References
- 1
- Citations by year
- 2026: 4 · 2025: 3 · 2024: 3 · 2023: 5 · 2022: 3 · 2021: 8 · 2020: 6 · 2019: 7 · 2018: 10 · 2017: 9 · 2016: 6 · 2015: 8 · 2014: 20 · 2013: 6 · 2012: 8
- FWCI
- 2.85
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Allergy (publishedVersion)
- PubMed (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Nasal Surgery and Airway Studies
- Health Sciences › Medicine › Immunology and Allergy › Allergic Rhinitis and Sensitization
- Health Sciences › Medicine › Otorhinolaryngology › Sinusitis and nasal conditions
- Keywords
- peak nasal inspiratory flow, rhinitis, nasal obstruction, nasal patency, repeatability, rhinitis severity, rhinitis symptoms, anterior rhinoscopy, diagnostic thresholds, young adults
- MeSH terms
- Adult, Female, Humans, Inspiratory Capacity, Male, Rhinitis, Sensitivity and Specificity, Reproducibility of Results, Nasal Obstruction, Rhinomanometry
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